package com.tedu.day04mybatis.mapper;

import com.tedu.day04mybatis.pojo.WeiBo;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface WeiBoMapper {
    @Insert("INSERT INTO weibo(content,created,user_id) " +
            "VALUES (#{content},#{created},#{userId})")
    int insert(WeiBo weiBo);
    @Delete("DELETE FROM weibo WHERE id=#{id}")
    int deleteById(Integer id);
    @Update("UPDATE weibo SET content=#{content},created=#{created},user_id=#{userId} " +
            "WHERE id=#{id}")
    int updateById(WeiBo weiBo);
    @Select("SELECT id,content,created,user_id userId FROM weibo " +
            "WHERE id=#{id}")
    WeiBo findById(Integer id);
    @Select("SELECT id,content,created,user_id userId FROM weibo")
    List<WeiBo> findAll();
}
